128544276786132 has 96 divisors (see below), whose sum is σ = 309906666381312. Its totient is φ = 41443289467776.

The previous prime is 128544276786073. The next prime is 128544276786187. The reversal of 128544276786132 is 231687672445821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1419909853 + ... + 1420000379.

It is an arithmetic number, because the mean of its divisors is an integer number (3228194441472).

Almost surely, 2^{128544276786132} is an apocalyptic number.

128544276786132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128544276786132 is an abundant number, since it is smaller than the sum of its proper divisors (181362389595180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128544276786132 is a wasteful number, since it uses less digits than its factorization.

128544276786132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117397 (or 117395 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 66.

The spelling of 128544276786132 in words is "one hundred twenty-eight trillion, five hundred forty-four billion, two hundred seventy-six million, seven hundred eighty-six thousand, one hundred thirty-two".